by Michael Katz, USA TODAY

by Michael Katz, USA TODAY

Here is something you have probably never seen before even if you watch a lot of football. This was even new to ESPN announcer Joey Galloway, and he's *played* more football than you have watched (unless you are Vinny Testaverde).

Saturday, Minnesota running back Donnell Kirkwood collided so hard with a Northwestern defender that his own helmet decal flew off his helmet.

I know. "How is this possible?" you undoubtedly ask. See for yourself: